Jeremy Clarkson and James May travel to Beijing to learn about China's car industry, which has seen great expansion in recent years - but also have a violent encounter with one of the Stig's cousins. Meanwhile, Richard Hammond immerses himself in the world of Nascar at a race in Texas, and the Mercedes-Benz SLS AMG Roadster is wrestled around the test track, emitting serious amounts of noise and smoke in the process. Matt LeBlanc is the Star in a Reasonably Priced Car.